<template>
    <div class="a">
        <img src="./../assets/logo2.png" alt="">
        <h1>习刷刷后台登录系统</h1>
    <div class="login-box">
      <h2>登录系统</h2>
      <form>
        <div class="user-box">
          <input type="text" v-model="username">
          <label>邮箱号</label>
        </div>
        <div class="user-box">
          <input type="password" v-model="password" @keydown.enter="handleSubmit()">
          <label>密码</label>
        </div>
        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        <a @click="handleSubmit()" >
          <span></span>
          <span></span>
          <span></span>
          <span></span>
          登录
        </a>
        <!-- &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        <a @click="signUp_asd">注册 </a> -->
      </form>
    </div>
  </div>
</template>

<script>
import { userLogin } from '../api/login'
import { ElMessage } from 'element-plus'
export default {
  name: 'Login',
  data() {
    return {
      username: '',
      password: '',
    }
  },
  methods: {

    handleSubmit() {
      // let _this = this
      if(this.username===""){
        ElMessage({
          showClose: true,
          message: '请输入账号',
          type: 'error',
        })
        
      }else{
        if(this.password===""){
          ElMessage({
            showClose: true,
            message: '请输入密码',
            type: 'error',
          })
        }else{
            userLogin(this.username,this.password).then(
              response =>{
                  if(response.code == 1){
                    localStorage.setItem('user',JSON.stringify(response.data))
                    this.$store.commit('login')
                    ElMessage.success(response.msg);
                  }else{
                      ElMessage.error(response.msg);
                  }
              }
            )
        }
      }
    },
  },
}
</script>

<style scoped>
.a{
  background:url("https://img2.baidu.com/it/u=2712563041,2003488332&fm=253&fmt=auto&app=138&f=JPEG?w=889&h=500");
  width:100%;
  height:100%;
  position:fixed;
  background-size:100% 100%;
}
.a>img{
    float: left;
}
h1{
    text-align: center;
    position: relative;
    left: -90px;
    top: 100px;
}
.login-box {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 400px;
  padding: 40px;
  transform: translate(-50%, -50%);
  background: rgb(0, 0, 0, .5);
  box-sizing: border-box;
  box-shadow: 0 15px 25px rgb(0, 0, 0, .6);
  border-radius: 10px;
}

.login-box h2 {
  margin: 0 0 30px;
  padding: 0;
  color: #fff;
  text-align: center;
}

.login-box .user-box {
  position: relative;
}

.login-box .user-box input {
  width: 100%;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  margin-bottom: 30px;
  border: none;
  border-bottom: 1px solid #fff;
  outline: none;
  background: transparent;
}

.login-box .user-box label {
  position: absolute;
  top: 0;
  left: 0;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  pointer-events: none;
  transition: .5s;
}

.login-box .user-box input:focus ~ label,
.login-box .user-box input:valid ~ label {
  top: -20px;
  left: 0;
  color: #03e9f4;
  font-size: 12px;
}

.login-box form a {
  position: relative;
  display: inline-block;
  padding: 10px 20px;
  color: #03e9f4;
  font-size: 16px;
  text-decoration: none;
  text-transform: uppercase;
  overflow: hidden;
  transition: .5s;
  margin-top: 40px;
  letter-spacing: 4px
}

.login-box a:hover {
  background: #03e9f4;
  color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 5px #03e9f4,
  0 0 25px #03e9f4,
  0 0 50px #03e9f4,
  0 0 100px #03e9f4;
}

.login-box a span {
  position: absolute;
  display: block;
}

.login-box a span:nth-child(1) {
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #03e9f4);
  animation: btn-anim1 1s linear infinite;
}

@keyframes btn-anim1 {
  0% {
    left: -100%;
  }
  50%, 100% {
    left: 100%;
  }
}

.login-box a span:nth-child(2) {
  top: -100%;
  right: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent, #03e9f4);
  animation: btn-anim2 1s linear infinite;
  animation-delay: .25s
}

@keyframes btn-anim2 {
  0% {
    top: -100%;
  }
  50%, 100% {
    top: 100%;
  }
}

.login-box a span:nth-child(3) {
  bottom: 0;
  right: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(270deg, transparent, #03e9f4);
  animation: btn-anim3 1s linear infinite;
  animation-delay: .5s
}

@keyframes btn-anim3 {
  0% {
    right: -100%;
  }
  50%, 100% {
    right: 100%;
  }
}

.login-box a span:nth-child(4) {
  bottom: -100%;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(360deg, transparent, #03e9f4);
  animation: btn-anim4 1s linear infinite;
  animation-delay: .75s
}

@keyframes btn-anim4 {
  0% {
    bottom: -100%;
  }
  50%, 100% {
    bottom: 100%;
  }
}
</style>